CONMEBOL Copa Libertadores – Quarter-finals (First Leg)

18-20 September 2018

Atlético Tucuman – Gremio
Referee: Wilmar Roldan (COL, photo)
Assistant Referee 1: Cristian De La Cruz (COL)
Assistant Referee 2: Alexander Leon (COL)
Fourth Official: Gustavo Murillo (COL)
VAR 1: Julio Bascuñan (CHI)
VAR 2: Roberto Tobar (CHI)
AVAR: Carlos Astroza (CHI)
Referee Assessor: Carlos Torres (PAR)

Independiente – River Plate
Referee: Wilton Sampaio (BRA)
Assistant Referee 1: Bruno Boschilia (BRA)
Assistant Referee 2: Rodrigo Correa (BRA)
Fourth Official: Ricardo Marques (BRA)
VAR 1: Raphael Claus (BRA)
VAR 2: Anderson Daronco (BRA)
AVAR: Emerson de Carvalho (BRA)
Referee Assessor: Francisco Mondria (CHI)

Boca Juniors – Cruzeiro
Referee: Eber Aquino (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Juan Zorrilla (PAR)
Fourth Official: Arnaldo Samaniego (PAR)
VAR 1: Mario Diaz de Vivar (PAR)
VAR 2: Gery Vargas (BOL)
AVAR: Milciades Saldivar (PAR)
Referee Assessor: Martin Vazquez (URU)

Colo Colo – Palmeiras
Referee: Andres Cunha (URU)
Assistant Referee 1: Nicolas Taran (URU)
Assistant Referee 2: Richard Trinidad (URU)
Fourth Official: Leodan Gonzalez (URU)
VAR 1: Mauro Vigliano (ARG)
VAR 2: Patricio Loustau (ARG)
AVAR: Hernan Maidana (ARG)
Referee Assessor: Ubaldo Aquino (PAR)